US2994112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical insulation paneling system
Assignee: Gustin Bacon Manufacturing Co
•
Filing: 1956-03-30
•
Granted: 1961-08-01
•
Expires: 1976-03-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:23
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US557097A
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US748746A
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US1857490A
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US2142305A
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US2270268A
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US2401906A
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US2450911A
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US2698272A
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US2648102A
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DE914427C
Cited
US2742388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |